Transfer learning based multi-fidelity physics informed deep neural network

S Chakraborty - Journal of Computational Physics, 2021 - Elsevier
For many systems in science and engineering, the governing differential equation is either
not known or known in an approximate sense. Analyses and design of such systems are …

Bi-fidelity variational auto-encoder for uncertainty quantification

N Cheng, OA Malik, S De, S Becker… - Computer Methods in …, 2024 - Elsevier
Quantifying the uncertainty of quantities of interest (QoIs) from physical systems is a primary
objective in model validation. However, achieving this goal entails balancing the need for …

A novel physics-based and data-supported microstructure model for part-scale simulation of laser powder bed fusion of Ti-6Al-4V

J Nitzler, C Meier, KW Müller, WA Wall… - Advanced Modeling and …, 2021 - Springer
The elasto-plastic material behavior, material strength and failure modes of metals
fabricated by additive manufacturing technologies are significantly determined by the …

A multi-fidelity stochastic simulation scheme for estimation of small failure probabilities

M Li, S Arunachalam, SMJ Spence - Structural Safety, 2024 - Elsevier
Computing small failure probabilities is often of interest in the reliability analysis of
engineering systems. However, this task can be computationally demanding since many …

Global sensitivity analysis of a homogenized constrained mixture model of arterial growth and remodeling

S Brandstaeter, SL Fuchs, J Biehler, RC Aydin… - Journal of elasticity, 2021 - Springer
Growth and remodeling in arterial tissue have attracted considerable attention over the last
decade. Mathematical models have been proposed, and computational studies with these …

Quantifying the uncertainty of precipitation forecasting using probabilistic deep learning

L Xu, N Chen, C Yang - Hydrology and Earth System Sciences …, 2021 - hess.copernicus.org
Precipitation forecasting is an important mission in weather science. In recent years, data-
driven precipitation forecasting techniques could complement numerical prediction, such as …

Analysis of the Validity of P2D Models for Solid-State Batteries in a Large Parameter Range

S Sinzig, CP Schmidt, WA Wall - Journal of The Electrochemical …, 2024 - iopscience.iop.org
Simulation models are nowadays indispensable to efficiently assess or optimize novel
battery cell concepts during the development process. Electro-chemo-mechano models are …

Stochastic PDE representation of random fields for large-scale Gaussian process regression and statistical finite element analysis

KJ Koh, F Cirak - Computer Methods in Applied Mechanics and …, 2023 - Elsevier
The efficient representation of random fields on geometrically complex domains is crucial for
Bayesian modelling in engineering and machine learning, including Gaussian process …

Comparison of optimization parametrizations for regional lung compliance estimation using personalized pulmonary poromechanical modeling

C Laville, C Fetita, T Gille, PY Brillet, H Nunes… - … and Modeling in …, 2023 - Springer
Interstitial lung diseases, such as idiopathic pulmonary fibrosis (IPF) or post-COVID-19
pulmonary fibrosis, are progressive and severe diseases characterized by an irreversible …

Adaptive Gaussian process regression for efficient building of surrogate models in inverse problems

P Semler, M Weiser - Inverse Problems, 2023 - iopscience.iop.org
In a task where many similar inverse problems must be solved, evaluating costly simulations
is impractical. Therefore, replacing the model y with a surrogate model ys that can be …